/*
 * Copyright 2016 requery.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.requery.proxy;

/**
 * Listener for all states of an entity.
 */
interface EntityStateListener {

    EntityStateListener EMPTY = new EntityStateListener() {

        @Override
        public void preUpdate() {
        }

        @Override
        public void postUpdate() {
        }

        @Override
        public void preInsert() {
        }

        @Override
        public void postInsert() {
        }

        @Override
        public void preDelete() {
        }

        @Override
        public void postDelete() {
        }

        @Override
        public void postLoad() {
        }
    };

    void preUpdate();

    void postUpdate();

    void preInsert();

    void postInsert();

    void preDelete();

    void postDelete();

    void postLoad();
}
